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Stainless Steel
Custom Stainless Steel Machining Service
Stainless steel is a low-carbon steel with excellent qualities for a variety of industrial uses. Due to its high precision, high strength, and wide range of uses, it is a popular metal in various fields such as construction, automotive, aerospace, etc. NOBLE quickly customizes high-precision and complex stainless steel parts for customers at competitive prices.
- ISO 9001 & ISO13485 Certified Factory
- Advanced Equipment & Cost-Effective Price
- 10+ Years of Stainless Steel Machining Service
- Provide Multiple Stainless Steel Materials Options
- Tight Tolerance of 0.001 mm
- 24/7 Engineering Support
Our Stainless Steel Machining Capabilities
Stainless steel is an alloy composed of iron, carbon, and chromium. It is corrosion-resistant, high-temperature-resistant, high-strength, and easy to clean and sterilize. It is widely used in the construction, automotive, and medical industries. As a common CNC machining material, stainless steel can fully meet the needs of complex CNC machining projects due to its excellent machinability and consistency, and is deeply loved by stainless steel CNC machining manufacturers.
| Price | $ |
| Lead Time | ＜10days |
| Wall Thickness | 0.755 |
| Tolerance | ±0.125mm |
| Max part size | 200cmx80cmx100cm |
| Available Stainless Steel at NOBLE | Stainless Steel SUS201 、Stainless Steel SUS303 、Stainless Steel SUS304 、Stainless Steel SUS316、 Stainless Steel SUS316L 、Stainless Steel SUS420、 Stainless Steel SUS430、 Stainless Steel SUS431、 Stainless Steel SUS440C、 Stainless Steel SUS630/17-4PH |
Characteristics of Stainless Steel Machining Materials
Stainless steel parts machining and manufacturing is one of our main types of business. The following is some common information about stainless steel types.
| Subtypes | Yield Strength(MPa) | Elongation at Break(%) | Hardness(Brinell) |
| Stainless Steel SUS201 | 275 – 380 | 50 | 147-210 |
| Stainless Steel SUS303 | 415-450 | 35-50 | 190-240 |
| Stainless Steel SUS304 | 215 – 505 | 40-70 | 170-220 |
| Stainless Steel SUS316 | 170 – 310 | 30-50 | 140-220 |
| Stainless Steel SUS316L | 170 – 290 | 40-50 | 140-190 |
| Stainless Steel SUS420 | 345 – 650 | 10-25 | 180-290 |
| Stainless Steel SUS430 | 275-450 | 20-30 | 150-200 |
| Stainless Steel SUS431 | 260 | 11 | 95 |
| Stainless Steel SUS440C | 450 – 1900 | 30 | 285-600 |
| Stainless Steel SUS630 | 725 – 1170 | 10 | 248-338 |
Pros and Cons of Stainless Steel for CNC Machining
Stainless steel is very durable, corrosion-resistant, and provides excellent strength for CNC machining, but it can be challenging to machine due to its hardness and tendency to work harden, which increases tool wear and machining costs. As an experienced stainless steel parts manufacturer, NOBLE effectively controls costs for customers and allows you to obtain high-precision, stable, and complex stainless steel parts in a shorter time.
Types of Stainless Steel Machining Materials
Stainless Steel parts machining and manufacturing is one of our main type, below is some common information about brass.
Stainless Steel SUS201
SUS201 stainless steel is widely used in applications requiring moderate corrosion resistance, strength, and formability, including kitchen utensils, food processing equipment, automotive parts, and architectural structures.
Yield Strengh(MPa): 275-380
Elongation at Break(%): 50
Hardness(Brinell): 147-210
Density(G/m³): 7.9
Maximum Temp: 1080° F
Stainless Steel SUS303
SUS303 stainless steel is primarily used in applications requiring excellent machinability and moderate corrosion resistance, such as precision components, fasteners, shafts, and gears in automotive, aerospace, and industrial machinery.
Yield Strengh(MPa): 415-450
Elongation at Break(%): 35-50
Hardness(Brinell): 190-240
Density(G/m³): 7.9
Maximum Temp: 2550° F
Stainless Steel SUS304
SUS304 stainless steel is commonly used in applications needing high corrosion resistance and good formability, such as kitchen equipment, chemical containers, piping, and architectural structures.
Yield Strengh(MPa): 215-505
Elongation at Break(%): 40-70
Hardness(Brinell): 170-220
Density(G/m³): 7.9
Maximum Temp: 1500° F
Stainless Steel SUS316
SUS316 stainless steel is used in applications requiring superior corrosion resistance, especially against chlorides, making it ideal for marine equipment, chemical processing, medical devices, and food production machinery.
Yield Strengh(MPa): 170-310
Elongation at Break(%): 30-50
Hardness(Brinell): 140-220
Density(G/m³): 7.9
Maximum Temp: 1500° F
Stainless Steel SUS316L
SUS316L stainless steel is ideal for applications needing high corrosion resistance and low carbon content, such as medical implants, pharmaceutical and chemical processing equipment, and marine environments, where welding is frequently required.
Yield Strengh(MPa): 170-290
Elongation at Break(%): 40-50
Hardness(Brinell): 140-190
Density(G/m³): 7.9
Maximum Temp: 1500° F
Stainless Steel SUS420
SUS420 stainless steel is commonly used in applications requiring high hardness and moderate corrosion resistance, such as cutlery, surgical instruments, valves, and gears.
Yield Strengh(MPa): 345-650
Elongation at Break(%): 10-25
Hardness(Brinell): 180-290
Density(G/m³): 7.8
Maximum Temp: 935° F
Stainless Steel SUS430
SUS430 stainless steel is primarily used in applications that require good corrosion resistance and formability, such as kitchen appliances, automotive trim, and decorative architectural features.
Yield Strengh(MPa): 275-450
Elongation at Break(%): 20-30
Hardness(Brinell): 150-200
Density(G/m³): 7.75
Maximum Temp: 775 °F
Stainless Steel SUS431
SUS431 stainless steel is used in applications requiring high strength, good corrosion resistance, and toughness, such as pump shafts, marine hardware, and aircraft components.
Yield Strengh(MPa): 260
Elongation at Break(%): 11
Hardness(Brinell): 95
Density(G/m³): 2.7
Maximum Temp: 440 °F
Stainless Steel SUS440C
SUS440C stainless steel is used in applications needing high hardness, wear resistance, and moderate corrosion resistance, such as bearings, knives, valve components, and surgical instruments.
Yield Strengh(MPa): 450-1900
Elongation at Break(%): 30
Hardness(Brinell): 285-600
Density(G/m³): 7.75
Maximum Temp: 800°F
Stainless Steel SUS630
SUS630 stainless steel, also known as 17-4 PH, is used in applications requiring high strength, corrosion resistance, and good mechanical properties at elevated temperatures, such as aerospace parts, medical devices, and nuclear and petrochemical components.
Yield Strengh(MPa): 725-1170
Elongation at Break(%): 10
Hardness(Brinell): 248-338
Density(G/m³): 7.8
Maximum Temp: 900°F
Surface Finishing Options for Stainless Steel Machining
Stainless steel can be finished using a variety of techniques, each of which can enhance the metal’s corrosion resistance, surface texture, and aesthetics. NOBLE can provide comprehensive surface treatment services to greatly improve the appearance, function, and durability of stainless steel CNC machined parts. Our rich and diverse stainless steel finishing services can ensure that you get stainless steel machined parts with stable performance and excellent appearance. The following details the common surface treatments for stainless steel:
As Machined
This standard CNC finish for stainless steel parts leaves minor tool marks and a slight sheen, providing a cost-effective, functional, untreated surface.
Electroplating
Electroplating deposits a metal layer on stainless steel, enhancing corrosion resistance, conductivity, and wear resistance. Common materials include zinc, nickel, and chrome, each offering unique benefits.
Passivation
Passivation chemically removes contaminants from stainless steel, enhancing corrosion resistance by creating a protective oxide layer, crucial for longevity in harsh environments.
Powder coating
Powder coating applies a durable, heat-cured finish to stainless steel, offering chip, scratch, and fade resistance with customizable colors and textures, ideal for both indoor and outdoor use.
Custom Stainless Steel Machining Parts Display
Check out our over a decade of custom stainless steel CNC machining experience, including precision stainless steel machined prototypes and parts from our valued customers.
Applications of Stainless Steel Machining
Stainless steel is a favorite among CNC machining manufacturers for its unique combination of strength, corrosion resistance, heat resistance, and aesthetics. These properties make it an ideal choice for CNC machining parts that must withstand harsh environments and meet strict regulatory standards. Here’s an overview of stainless steel applications in each industry, with a focus on CNC machining’s ability to achieve high-precision production of custom parts for each industry.
Automotive Parts
Stainless steel’s durability, heat resistance, and corrosion resistance make it ideal for parts subject to high temperatures, mechanical stress, and exposure to moisture and chemicals. CNC machining ensures the precision required for tight tolerance parts such as fuel injectors and valve seats. Stainless steel is used for structural components, exhaust systems, fuel tanks, and engine components. It is also used for aesthetic elements such as trim, grilles, and high-end interior fixtures.
Aerospace Parts
The aerospace industry requires materials that can withstand high stresses, extreme temperatures, and corrosive agents. Machined stainless steel meets these needs and provides the precision required for safety-critical components. Stainless steel CNC machining is commonly used to machine fasteners, engine components, fuel and hydraulic systems, landing gear, and aircraft frames, especially in applications that require strength and lightweight properties.
Medical Devices
Biocompatible grades such as 316L resist corrosion, do not react with body fluids and can withstand repeated sterilization. Stainless steel CNC machining enables the intricate details and high tolerances required for surgical and dental applications, ensuring reliable performance. Stainless steel CNC machining is commonly used for surgical instruments, dental tools, orthopedic implants, joint replacements, and medical devices.
New Energy
Stainless steel resists corrosion from seawater and a variety of chemicals, is strong enough to withstand high pressures, and can withstand extreme temperatures, all of which are critical to oil and gas equipment. Stainless steel CNC machining ensures the precision and reliability of parts that must withstand these challenging conditions. Stainless steel machining is an essential material in valves, pumps, drill bits, casing, pipes, and pressure vessels, which are often used in harsh subsea, drilling, and refining environments.
Consumer Goods
Stainless steel’s beauty, strength, and corrosion resistance make it a top choice for products that are both functional and visually appealing. Stainless steel machining provides high precision and clean surfaces, which are essential for producing complex consumer goods. Stainless steel CNC machining is commonly found in kitchenware, tableware, cookware, and home appliances, as well as luxury watches, jewelry, and high-end consumer electronics.
Electrical and Electronics Industry
Stainless steel’s durability, corrosion resistance and ability to dissipate heat make it ideal for protecting sensitive electronic equipment. Stainless steel machining enables the complex designs and fine details required for electronic components, ensuring compatibility and durability for high-performance devices. Stainless steel CNC machining is widely used in connectors, housings, heat sinks, and components that support high-precision electronic systems often use stainless steel.
If you are looking for a rapid prototyping manufacturer or a CNC machine shop to fabricate small, medium-volume, or mass-production products, NOBLE is an ideal choice.Our well-trained and experienced staff manufactures parts in line with drawings on modern CNC machines, with the highest accuracy and processing quality in all sizes.In addition, we provide professional design considerations for your CNC machining projects.
Want to get the most professional and fastest service for your CNC machining project? Upload your CAD files now and obtain a quote!
